.torbar{
    position: fixed;
   width: 100%;
   display: flex;
   flex-wrap: nowrap;
    height: 50px;
    bottom: 0;
    z-index: 1;
    left: 0;
    right: 0;
    background: rgb(255, 255, 255);
    border-top: 1px solid rgb(221, 221, 221);
    .item{
    flex: 1;
    text-align: center;
    a>img{
        width: 48px;
    }
   
            }

}